21293016

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5443}}^1$

素因数の和:5615

約数の個数: 32

約数和(自身を含む): 53568960

約数和(自身を除く): 32275944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5443, 10886, 16329, 21772, 32658, 43544, 65316, 130632, 887209, 1774418, 2661627, 3548836, 5323254, 7097672, 10646508, 21293016]

約数ペア:

[(1, 21293016), (2, 10646508), (3, 7097672), (4, 5323254), (6, 3548836), (8, 2661627), (12, 1774418), (24, 887209), (163, 130632), (326, 65316), (489, 43544), (652, 32658), (978, 21772), (1304, 16329), (1956, 10886), (3912, 5443)]